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- 1. Multiple ChoiceThe movement of molecules into a cell through transport proteins in the cell membrane is a type of...energy expenditureselective transportosmosisfacilitated diffusion
- 2. Multiple ChoiceUnlike passive transport, active transport requires...concentration gradientsenergy from the cellvesiclesdiffusion
- 3. Multiple ChoiceIf the extracellular fluid surrounding a cell is hypotonic, then the cytoplasm within the cell is hypotonicTrueFalse
- 4. Multiple ChoiceWhich process uses proteins to move molecules against a concentration gradient?active transportendocytosispassive transportphagocytosis
- 5. Multiple ChoiceSolutes enter a cell when the solution surrounding that cell ishypertonicweakconcentratedhypotonic
- 6. Multiple ChoicePassive transport moves molecules from low to high concentration.TrueFalse
- 7. Multiple ChoiceWhich of these describes the process used by the sodium-potassium pump?PhotosynthesisActive transportOsmosisDiffusion
- 8. Multiple ChoiceWhat is the function of the proteins in the cell membrane?Cellular respirationPhotosynthesisCell transportCommunication
- 9. Multiple ChoiceOsmosis isThe process where water diffuses through equal concentrationsThe process where water diffuses across the cells membrane from an area of lower to an area of higher concentrationWhere water diffuses across the cell membrane from area of higher to lower concentrationThe process where a solute diffuses into water through membranous sacks not using energy
- 10. Multiple ChoiceWhen the concentration inside and outside of the cell is equal the solutiom is _________ to the cytosol.IsotonicHypertonicHypotonicConcentration
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